Mushrooms add a rich savoury flavour to a lentil bolognese; a punchy spoonful of yeast extract will boost the flavour of the ragu further. Serve with pasta, or use in a vegetarian or vegan lasagne.

(See the "tips" section for ideas.) Tip the drained pasta ... Use the extra lentil bolognese to make another meal. Try one of these: Serve with a jacket potato and a dollop of cream cheese ...